> + > +#define checkuart(rp, rv, lhu, bit, uart) \ > + /* Load address of CLK_RST register */ \ > + movw rp, #TEGRA_CLK_RST_DEVICES_##lhu & 0xffff ; \ > + movt rp, #TEGRA_CLK_RST_DEVICES_##lhu >> 16 ; \ > + /* Load value from CLK_RST register */ \ > + ldr rp, [rp, #0] ; \ > + /* Test UART's reset bit */ \ > + tst rp, #(1 << bit) ; \ > + /* If set, can't use UART; jump to save no UART */ \ > + bne 90f ; \ > + /* Load address of CLK_OUT_ENB register */ \ > + movw rp, #TEGRA_CLK_OUT_ENB_##lhu & 0xffff ; \ > + movt rp, #TEGRA_CLK_OUT_ENB_##lhu >> 16 ; \ > + /* Load value from CLK_OUT_ENB register */ \ > + ldr rp, [rp, #0] ; \ > + /* Test UART's clock enable bit */ \ > + tst rp, #(1 << bit) ; \ > + /* If clear, can't use UART; jump to save no UART */ \ > + beq 90f ; \ > + /* Passed all tests, load address of UART registers */ \ > + movw rp, #TEGRA_UART##uart##_BASE & 0xffff ; \ > + movt rp, #TEGRA_UART##uart##_BASE >> 16 ; \ > + /* Jump to save UART address */ \ > + b 91f > Maybe make this a subroutine? Cheers, Peter. -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
